package cn.ruituo.adv3;


import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class MApTest {
    public static void main(String[] args) {
        for (int i = 0; i < 100; i++) {
            int random = (int) Math.random() * 100000;
            System.out.println(random);
        }

        Map<String,String> m=new HashMap<>();
        Set<String> set = m.keySet();
        m.put("222","two");
        m.put("333","three");
        System.out.println(m.values());
//
//        System.out.println(set);
    }
}
